This study, which appeared as Chapter 11 in Volume 2 of the Cambridge Medieval History (New York, 1913), was written by the German Islamicist Carl Heinrich Becker (1876-1933), author of many noteworthy works on Islam, and an important contributor to the first edition of the Encyclopedia of Islam. Chapter 11 ["The Expansion of the Saracens--the East"] describes the period from 632-750. Topics include: Historical aspect of Islam; The Arab Migration; Abu Bakr Caliph; The Ridda War; Khalid on the Euphrates; Battle of Ajnadain--of the Yarmuk; Omar Caliph; Capture of Jerusalem; Fall of Ctesiphon--Conquest of Persia; Egypt--the Mukaukis Problem; Conquest of Egypt; Wars in Armenia; Attacks on Constantinople; Othman Caliph; Ali and Mu'awiya; Mu'awiya Caliph; Murder of Husain at Karbala; Organization of the Arabian Empire; Later Umayyad Caliphs; the Abbassids. Includes Title Page, Table of Contents, Chapter 11 (pp. 329-365), Bibliography for Chapter 11 (p. 760-765), and Chronological Table in 51 pdf pages. Book digitized by Google, article extracted and uploaded by user Robert Bedrosian.